我在 Lenovo Z50-70 上運行 Ubuntu 15.04 和 Linux 核心 4.0
它說我的藍牙工作正常，直到我從睡眠中恢復藍牙已停用，即使我切換“關閉”按鈕，它也不會啟動（見下圖）
的輸出lsusb; lsmod | grep bluetooth; dmesg | grep firmware是：
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 0cf3:3004 Atheros Communications, Inc.
Bus 002 Device 003: ID 5986:055e Acer, Inc
Bus 002 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
bluetooth 446409 12 bnep,ath3k,btusb,rfcomm
[ 483.670589] usb 1-7: device firmware changed
